Jan P. Kessler: > > > Is it possible that the key is being exposed not from the > > postscreen_dnsbl_sites line but from a line also in main.cf which says > > the following? > > smtpd_client_restrictions = reject_rbl_client > > <hidden-key>.zen.dq.spamhaus.net
Yes. Postfix logging will tell you which program produces the REJECT message: smtpd or postscreen. Wietse